I've been listening to three programming-language podcasts lately.
The #rust one ends with the host personally thanking all of his patreon supporters.
The #ruby one ends with the hosts thanking their corporate employer for continuing to sponsor the show.
The #javascript one ends with a "shameless plugs" segment where the hosts try to sell you their latest for-profit JS courses.
Obviously it'd be absurd to judge entire language ecosystems with a sample size of 1 each, but …